99379169 has 2 divisors, whose sum is σ = 99379170. Its totient is φ = 99379168.

The previous prime is 99379123. The next prime is 99379213. The reversal of 99379169 is 96197399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77176225 + 22202944 = 8785^2 + 4712^2 .

It is a cyclic number.

It is not a de Polignac number, because 99379169 - 2¹⁶ = 99313633 is a prime.

It is a super-2 number, since 2×99379169² = 19752438462261122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99379169.

It is not a weakly prime, because it can be changed into another prime (99379369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49689584 + 49689585.

It is an arithmetic number, because the mean of its divisors is an integer number (49689585).

Almost surely, 2^99379169 is an apocalyptic number.

It is an amenable number.

99379169 is a deficient number, since it is larger than the sum of its proper divisors (1).

99379169 is an equidigital number, since it uses as much as digits as its factorization.

99379169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 826686, while the sum is 53.

The square root of 99379169 is about 9968.9101209711. The cubic root of 99379169 is about 463.1963412723.

The spelling of 99379169 in words is "ninety-nine million, three hundred seventy-nine thousand, one hundred sixty-nine".